CN102767603B - A kind of speed changer and motor vehicle - Google Patents
A kind of speed changer and motor vehicle Download PDFInfo
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- CN102767603B CN102767603B CN201210257471.1A CN201210257471A CN102767603B CN 102767603 B CN102767603 B CN 102767603B CN 201210257471 A CN201210257471 A CN 201210257471A CN 102767603 B CN102767603 B CN 102767603B
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- follower
- gear
- driving wheel
- jack shaft
- reverse gear
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- 210000000481 breast Anatomy 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
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Abstract
The invention discloses a kind of speed changer and motor vehicle, relate to system of vehicle transmission technical field, for the structure and gearbox that can simplify gearbox processing technology and invent.Described speed changer comprises gearbox, be provided with differential mechanism, the input shaft be parallel to each other, the first jack shaft and the second jack shaft in described gearbox, be set in driving wheel on axle and follower, the axle of described follower side is provided with synchronizer, wherein, described input shaft is installed with the described driving wheel of forward gears; Described first jack shaft is set with engage with described driving wheel described follower, be installed with the first breast wheel engaged with differential mechanism gear ring; Described second jack shaft is set with the described follower of reverse gear, is installed with the second breast wheel engaged with differential mechanism gear ring, the described follower of described reverse gear engages with the described follower of described forward gears.The present invention is mainly useful on vehicle.
Description
Technical field
The present invention relates to system of vehicle transmission technical field, particularly relate to a kind of speed changer and motor vehicle.
Background technique
Nowadays, along with the development of technology, the type of the speed changer in vehicle is more and more diversified, and wherein mechanical synchronous transmission is more traditional speed changer, is useful in the vehicle of both economical type.
The gear of this traditional mechanical synchronous transmission generally comprises 1 ~ 5 grade and reverse gear, the transmission system of usual reverse gear comprises the follower of the driving wheel of the reverse gear engaged successively, idle pulley and reverse gear, particularly, the driving wheel of reverse gear is arranged on input shaft, idle pulley is arranged on idler shaft, the follower of reverse gear is arranged on jack shaft, and the transmission successively of the follower of such reverse gear power from input shaft input and through the driving wheel of reverse gear, idle pulley, reverse gear, last power exports from jack shaft.Wherein idle pulley will be fixed on separately on idler shaft usually, and idler shaft also needs to be fixed on separately in gearbox, so also to design the structure being used for fixing idler shaft in gearbox, because the structure of speed changer is many and complicated, the correspondingly structure of gearbox also more complicated, and the structure increasing fixed idler axle in gearbox may cause the structure of transmission internal more complicated, and then make the processing technology also more complicated of gearbox.
Summary of the invention
Embodiments of the invention provide a kind of speed changer and motor vehicle, can simplify the structure of gearbox and the processing technology of gearbox.
For achieving the above object, embodiments of the invention adopt following technological scheme:
A kind of speed changer, comprise gearbox, be provided with differential mechanism, the input shaft be parallel to each other, the first jack shaft and the second jack shaft in described gearbox, be set in driving wheel on axle and follower, the axle of described follower side is provided with synchronizer, wherein, described input shaft is installed with the described driving wheel of forward gears; Described first jack shaft is set with engage with described driving wheel described follower, be installed with the first breast wheel engaged with differential mechanism gear ring; Described second jack shaft is set with the described follower of reverse gear, is installed with the second breast wheel engaged with differential mechanism gear ring, the described follower of described reverse gear engages with the described follower of described forward gears.
Further, described second jack shaft is set with the described follower of forward gears, is provided with described synchronizer between the described follower of described forward gears and the described follower of described reverse gear.
Preferably, described input shaft is furnished with successively the driving wheel of a grade, the driving wheel of second gear, the driving wheel of third gear, the driving wheel of four or five grades; Described first jack shaft is furnished with successively the first breast wheel, follower, the follower of second gear, the follower of third gear, the follower of fourth gear of a grade; Described synchronizer is equipped with between the follower of described a grade and the follower of described second gear, between the follower of described third gear and the follower of described fourth gear; Described second jack shaft is furnished with successively described second breast wheel, the follower of described reverse gear, described synchronizer, the follower of five grades; The follower of described reverse gear engages with the follower of described a grade, and the follower of described five grades engages with the driving wheel of described four or five grades.
Further, the follower of described a grade is by gearwheel and the integrated duplicate gear of small gear, and described gearwheel engages with the driving wheel of described a grade, and described small gear engages with the follower of described reverse gear.
Wherein, described small gear and described reverse gear follower are helical gear.
A kind of motor vehicle, comprise above-mentioned speed changer.
The speed changer that the embodiment of the present invention provides and motor vehicle, comprise gearbox, be provided with differential mechanism, the input shaft be parallel to each other, the first jack shaft and the second jack shaft in described gearbox, be set in driving wheel on axle and follower, the axle of described follower side is provided with synchronizer, wherein, described input shaft is installed with the described driving wheel of forward gears; Described first jack shaft is set with engage with described driving wheel described follower, be installed with the first breast wheel engaged with differential mechanism gear ring; Described second jack shaft is set with the described follower of reverse gear, is installed with the second breast wheel engaged with differential mechanism gear ring, the described follower of described reverse gear engages with the described follower of described forward gears.Its beneficial effect brought is, when speed changer is switched to reverse gear, the follower of reverse gear is combined with the second jack shaft, now the power of reverse gear inputs from input shaft, and on input shaft the driving wheel of forward gears, the follower that first jack shaft engages with this driving wheel, the follower of the reverse gear engaged with this follower, second jack shaft, the transmission successively of the second breast wheel and differential mechanism gear ring, finally export from differential mechanism, as can be seen from the above, in the process of reverse gear transmission of power, the follower of forward gears plays the effect of idle pulley, and the first jack shaft plays the effect of idler shaft, can avoid like this arranging idler shaft in gearbox, thus the structure of gearbox can be simplified preferably, and then also can simplify the processing technology of gearbox.
Accompanying drawing explanation
The schematic diagram of the speed changer that Fig. 1 provides for the embodiment of the present invention.
Reference character:
10-gearbox, 20-input shaft, 30-first jack shaft, 300-first breast wheel, 40-second jack shaft, 400-second breast wheel, 50a-driving wheel, 50b-follower, 60-synchronizer, 70-differential mechanism, 700-differential mechanism gear ring.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present invention speed changer and motor vehicle are described in detail.
Should be clear and definite, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, be a specific embodiment of speed changer of the present invention.Described speed changer comprises gearbox 10, be provided with differential mechanism 70, input shaft 20, first jack shaft 30 be parallel to each other and the second jack shaft 40 in described gearbox 10, be set in driving wheel 50a on axle and follower 50b, the axle of described follower 50b side is provided with synchronizer 60, wherein, described input shaft 20 is installed with the described driving wheel 50a of forward gears; Described first jack shaft 30 is set with engage with described driving wheel 50a described follower 50b, be installed with the first breast wheel 300 engaged with differential mechanism gear ring 700; Described second jack shaft 40 is set with the described follower 50b of reverse gear, is installed with the second breast wheel 400 engaged with differential mechanism gear ring 700, the described follower 50b of described reverse gear engages with the described follower 50b of described forward gears.
The speed changer that the embodiment of the present invention provides, comprise gearbox 10, be provided with differential mechanism 70, input shaft 20, first jack shaft 30 be parallel to each other and the second jack shaft 40 in described gearbox 10, be set in driving wheel 50a on axle and follower 50b, the axle of described follower 50b side is provided with synchronizer 60, wherein, described input shaft 20 is installed with the described driving wheel 50a of forward gears; Described first jack shaft 30 is set with engage with described driving wheel 50a described follower 50b, be installed with the first breast wheel 300 engaged with differential mechanism gear ring 700; Described second jack shaft 40 is set with the described follower 50b of reverse gear, is installed with the second breast wheel 400 engaged with differential mechanism gear ring 700, the described follower 50b of described reverse gear engages with the described follower 50b of described forward gears.Its beneficial effect brought is, when speed changer is switched to reverse gear, the follower 50b of reverse gear is combined with the second jack shaft 40, now the power of reverse gear inputs from input shaft 20, and on input shaft 20 the driving wheel 50a of forward gears, the follower 50b that first jack shaft 30 engages with this driving wheel 50a, the follower 50b of the reverse gear engaged with this follower 50b, second jack shaft 40, the transmission successively of the second breast wheel 400 and differential mechanism gear ring 700, finally export from differential mechanism 70, as can be seen from the above, in the process of reverse gear transmission of power, the follower 50b of forward gears plays the effect of idle pulley, and the first jack shaft 30 plays the effect of idler shaft, can avoid like this arranging idler shaft in gearbox 10, thus the structure of gearbox 10 can be simplified preferably, and then also can simplify the processing technology of gearbox 10.
Further, described second jack shaft 40 can be set with the described follower 50b of forward gears, is provided with described synchronizer 60 between the described follower 50b of described forward gears and the described follower 50b of described reverse gear.Relative to the speed changer of same gear, the speed changer that the embodiment of the present invention provides makes the follower 50b of the follower 50b of one of them forward gears and reverse gear coaxially arranged, and use with a synchronizer 60, the axial length of each axle can be shortened so preferably, improve the intensity of each axle, and then reduce the distortion of each axle; The size of gearbox 10 axis can also be shortened simultaneously, for entire vehicle design also provides more space, facilitate the layout of miscellaneous part in vehicle.
The quantity of gear, according to traditional mechanical transmission, is preferably five grades by the embodiment of the present invention, particularly, described input shaft 20 is furnished with successively the driving wheel 50a of a grade, the driving wheel 50a of second gear, the driving wheel 50a of third gear, the driving wheel 50a of four or five grades; Described first jack shaft 30 is furnished with successively the follower 50b of the first breast wheel 300, a grade, the follower 50b of second gear, the follower 50b of third gear, the follower 50b of fourth gear; Described synchronizer 60 is equipped with between the follower 50b of described a grade and the follower 50b of described second gear, between the follower 50b of described third gear and the follower 50b of described fourth gear; Described second jack shaft 40 is furnished with successively the follower 50b of described second breast wheel 400, the follower 50b of described reverse gear, described synchronizer 60, five grades; The follower 50b of described reverse gear engages with the follower 50b of described a grade, and the follower 50b of described five grades engages with the driving wheel 50a of described four or five grades.
In this embodiment, the follower 50b of fourth gear and five grades engages with the driving wheel 50a of four or five on input shaft 20 grade simultaneously, so not only can reduce the layout that input shaft 20 cogs, strengthen the intensity of input shaft 20, the axial length of each axle can also be shortened further, and then shorten the axial dimension of gearbox 10.
In addition, it is emphasized that in speed changer, the layout of gear is not limited to the layout mentioned in the embodiment of the present invention, can also layout known to other those skilled in that art.
Usually when speed changer is switched to one grade, the driving torque of the follower 50b of a grade is larger, because the follower 50b of the driving wheel 50a of a grade and reverse gear all engages with the follower 50b of a grade, and the Plane of action of the Plane of action of the driving wheel 50a of a grade and gearwheel and the follower 50b of reverse gear and small gear is in same plane, the intensity of the follower 50b of a grade may be reduced like this, therefore the follower 50b of described a grade is by gearwheel and the integrated duplicate gear of small gear in embodiments of the present invention, described gearwheel engages with the driving wheel 50a of described a grade, described small gear engages with the follower 50b of described reverse gear, the follower 50b of the driving wheel 50a of such a grade and the Plane of action of gearwheel and reverse gear and the Plane of action of small gear be not in same plane, the intensity of one grade of follower 50b can be ensured.
Wherein, described small gear and described reverse gear follower 50b are helical gear.Like this when switching reverse gear, the follower 50b of synchronizer 60 and reverse gear in conjunction with time the impulsive sound that produces and to engage sound smaller, the travelling comfort of reverse gear is changed in raising.
The embodiment of the present invention additionally provides a kind of motor vehicle, comprises above-mentioned speed changer.Described speed changer not only can improve the travelling comfort of Vehicular shift, simultaneously for entire vehicle design also provides more space, facilitates the layout of miscellaneous part in vehicle.
Composition graphs 1 and foregoing, below describe the power transmission line of speed changer when each shelves work that the embodiment of the present invention provides in detail.
One grade:
Synchronizer 60 now between the follower 50b of a grade and the follower 50b of second gear is combined with the follower 50b of a grade, and therefore the follower 50b of a grade is combined with the first jack shaft 30; Power is delivered to differential mechanism 70 through the driving wheel 50a of input shaft 20, a grade, follower 50b, the first jack shaft 30, first breast wheel 300 and the differential mechanism gear ring 700 of a grade successively.
Second gear:
Synchronizer 60 now between the follower 50b of a grade and the follower 50b of second gear is combined with the follower 50b of second gear, and therefore the follower 50b of second gear is combined with the first jack shaft 30; Power is delivered to differential mechanism 70 through the follower 50b of the driving wheel 50a of input shaft 20, second gear, second gear, the first jack shaft 30, first breast wheel 300 and differential mechanism gear ring 700 successively.
Third gear:
Synchronizer 60 now between the follower 50b of third gear and the follower 50b of fourth gear is combined with the follower 50b of third gear, and therefore the follower 50b of third gear is combined with the first jack shaft 30; Power is delivered to differential mechanism 70 through the follower 50b of the driving wheel 50a of input shaft 20, third gear, third gear, the first jack shaft 30, first breast wheel 300 and differential mechanism gear ring 700 successively.
Fourth gear:
Synchronizer 60 now between the follower 50b of third gear and the follower 50b of fourth gear is combined with the follower 50b of fourth gear, and therefore the follower 50b of fourth gear is combined with the first jack shaft 30; Power is delivered to differential mechanism 70 through the follower 50b of the driving wheel 50a of input shaft 20,45 grades, fourth gear, the first jack shaft 30, first breast wheel 300 and differential mechanism gear ring 700 successively.
Five grades:
Synchronizer 60 now between the follower 50b of five grades and the follower 50b of reverse gear is combined with the follower 50b of five grades, and therefore the follower 50b of five grades is combined with the second jack shaft 40; Power is delivered to differential mechanism 70 through the driving wheel 50a of input shaft 20,45 grades, follower 50b, the second jack shaft 40, second breast wheel 400 and the differential mechanism gear ring 700 of five grades successively.
Reverse gear:
Synchronizer 60 now between the follower 50b of five grades and the follower 50b of reverse gear is combined with the follower 50b of reverse gear, and therefore the follower 50b of reverse gear is combined with the second jack shaft 40; Power is delivered to differential mechanism 70 through the driving wheel 50a of input shaft 20, a grade, follower 50b, the follower 50b of reverse gear, the second jack shaft 40, second breast wheel 400 and the differential mechanism gear ring 700 of a grade successively.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (3)
1. a speed changer, comprise gearbox, be provided with differential mechanism, the input shaft be parallel to each other, the first jack shaft and the second jack shaft in described gearbox, be set in driving wheel on axle and follower, the axle of described follower side is provided with synchronizer, it is characterized in that
Described input shaft is installed with the described driving wheel of forward gears;
Described first jack shaft is set with engage with described driving wheel described follower, be installed with the first breast wheel engaged with differential mechanism gear ring;
Described second jack shaft is set with the described follower of reverse gear, is installed with the second breast wheel engaged with differential mechanism gear ring, the described follower of described reverse gear engages with the described follower of described forward gears;
Described second jack shaft is set with the described follower of forward gears, is provided with described synchronizer between the described follower of described forward gears and the described follower of described reverse gear;
Described input shaft is furnished with successively the driving wheel of a grade, the driving wheel of second gear, the driving wheel of third gear, the driving wheel of four or five grades;
Described first jack shaft is furnished with successively the first breast wheel, follower, the follower of second gear, the follower of third gear, the follower of fourth gear of a grade; Described synchronizer is equipped with between the follower of described a grade and the follower of described second gear, between the follower of described third gear and the follower of described fourth gear;
Described second jack shaft is furnished with successively described second breast wheel, the follower of described reverse gear, described synchronizer, the follower of five grades; The follower of described reverse gear engages with the follower of described a grade, and the follower of described five grades engages with the driving wheel of described four or five grades;
The follower of described one grade is by gearwheel and the integrated duplicate gear of small gear, and described gearwheel engages with the driving wheel of described a grade, and described small gear engages with the follower of described reverse gear.
2. speed changer according to claim 1, is characterized in that, described small gear and described reverse gear follower are helical gear.
3. motor vehicle, is characterized in that, comprise the speed changer described in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210257471.1A CN102767603B (en) | 2012-07-24 | 2012-07-24 | A kind of speed changer and motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210257471.1A CN102767603B (en) | 2012-07-24 | 2012-07-24 | A kind of speed changer and motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102767603A CN102767603A (en) | 2012-11-07 |
| CN102767603B true CN102767603B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210257471.1A Expired - Fee Related CN102767603B (en) | 2012-07-24 | 2012-07-24 | A kind of speed changer and motor vehicle |
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| Country | Link |
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| CN (1) | CN102767603B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250883Y (en) * | 2008-08-21 | 2009-06-03 | 浙江吉利汽车研究院有限公司 | Multi-speed mechanical transmission |
| CN201487145U (en) * | 2009-08-31 | 2010-05-26 | 长城汽车股份有限公司 | Automobile automatic transmission |
| CN201521606U (en) * | 2009-07-09 | 2010-07-07 | 长城汽车股份有限公司 | Multi-gear speed changer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7743677B2 (en) * | 2006-08-23 | 2010-06-29 | Gm Global Technology Operations, Inc. | Powertrain with torque converter and axially compact seven speed dual clutch transmission |
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2012
- 2012-07-24 CN CN201210257471.1A patent/CN102767603B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250883Y (en) * | 2008-08-21 | 2009-06-03 | 浙江吉利汽车研究院有限公司 | Multi-speed mechanical transmission |
| CN201521606U (en) * | 2009-07-09 | 2010-07-07 | 长城汽车股份有限公司 | Multi-gear speed changer |
| CN201487145U (en) * | 2009-08-31 | 2010-05-26 | 长城汽车股份有限公司 | Automobile automatic transmission |
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| Publication number | Publication date |
|---|---|
| CN102767603A (en) | 2012-11-07 |
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Granted publication date: 20160302 |